Margin of Error Calculator

%

Use 50% for the widest (worst-case) margin.

Leave 0 for a very large or unknown population.

Margin of error

3.1%

Range
46.9% to 53.1%
Standard error
1.581%
Z critical value
1.96
Finite population correction
1

Open the full margin of error calculator with the formula and FAQs at Calcs for Life